In this lesson, we will learn how to use doubling and halving to multiply two numbers.
Q1:
Olivia knows a strategy to multiply by making easier calculations with the same answer.
Use her strategy to find the missing numbers.
Q2:
Multiplying by 2 and 10 is easy!
Let’s rewrite this expression to make it easier.
Which of these is equal to 14×5?
What is 14×5?
Q3:
Which of the following expressions has the same value as 5×120?
What is 5×120?
Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.